Cita APA (7th ed.)
Gupta,J.B. (2010). A course in power systems (10th ed.). S.K.Kataria.
Cita Chicago (17th ed.)
Gupta,J.B. A Course in Power Systems. 10th ed. New Delhi: S.K.Kataria, 2010.
Cita MLA (9th ed.)
Gupta,J.B. A Course in Power Systems. 10th ed. S.K.Kataria, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.